Having Significant Filtering Patents (Class 439/620.07)
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Patent number: 11211679Abstract: A common-mode in-line radio frequency (RF) filter isolator includes one or more modules that incorporate a respective RF filter circuit. The one or more modules are configured to be electrically coupled in-line with a communication link, such as an Ethernet cable for example. Accordingly, the filter isolator device is enabled to reduce or eliminate the presence of common-mode noise that is present on the network communication link.Type: GrantFiled: February 13, 2020Date of Patent: December 28, 2021Assignee: PDS Electronics, Inc.Inventor: Scott T. MacDonald
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Patent number: 10971299Abstract: In one embodiment, an apparatus includes a plurality of transformers and a plurality of common mode chokes, each of the transformers and the common mode chokes comprising a magnetic core and windings wound around the magnetic core at generally opposite sides thereof. The transformers and common mode chokes are arranged in an array with the windings on each of the magnetic cores positioned generally orthogonal to the windings of adjacent magnetic cores in the array to reduce crosstalk and improve common mode noise rejection.Type: GrantFiled: November 21, 2017Date of Patent: April 6, 2021Assignee: CISCO TECHNOLOGY, INC.Inventors: Jianquan Lou, Xiaoxia Zhou, Hailong Zhang, Yingchun Shu, Alpesh U. Bhobe
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Patent number: 10320116Abstract: A terminal unit includes inner conductors (35) fixed to front ends of wires (38). A dielectric (10) has a holding member (11) and a cover (27) united in a direction intersecting an axial direction of the wires (38) and accommodates the inner conductors (35). Guide recesses (17) are formed on the holding member (11) and extend in a front-rear direction. Guide ribs (33) are formed on the cover (27) and can slide in contact with the guide recesses (17) to allow relative displacement of the holding member (11) and the cover (27) in the front-rear direction while keeping the holding member (11) and the cover (27) united. Guides (19) bring the holding member (11) and the cover (27) closer together in a uniting direction while displacing the cover (27) from a temporary assembled position to a proper assembled position in the front-rear direction.Type: GrantFiled: February 14, 2018Date of Patent: June 11, 2019Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Tetsuya Miyamura, Masaaki Tabata, Hajime Matsui, Takuma Hibino
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Patent number: 9728875Abstract: A multiple connector, in particular, for connecting to a printed circuit board. The multiple connector includes a base plate with essentially surrounding walls that project from the base plate and form a connector skirt. Electrical connecting tabs project through the base plate and pass through the base plate in the interior of a connector skirt, wherein Between at least two adjacent connector skirts, the base plate is interrupted by a contour projecting out from the plane of the base plate.Type: GrantFiled: July 18, 2014Date of Patent: August 8, 2017Assignee: Hella KGaA Hueck & Co.Inventor: Karl-Heinz Summa
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Patent number: 9408335Abstract: An apparatus may be provided. The apparatus may comprise a circuit board. In addition, the apparatus may comprise an integrated connector mounted to the circuit board. A choke, external to the integrated connector, may be included in the apparatus. The choke may be electrically connected to the integrated connector through the circuit board.Type: GrantFiled: June 28, 2013Date of Patent: August 2, 2016Assignee: Cisco Technology, Inc.Inventors: William Frank Edwards, George Edward Curtis, Ki Yuen Chau, Sandeep A. Patel, Keith Frank Tharp
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Patent number: 9379493Abstract: A connector includes ferrite cores (30A, 30B) with through holes (30H). A terminal fitting (20) has tab terminals (22A, 22B) inserted into the respective through holes (30H) to define input and output portions and a base (23) couples end parts of the respective tab terminals (22A, 22B) to each other. A connector housing (11) is molded to surround the ferrite cores (30A, 30B) and the terminal fitting (20) and is connectable to a mating connector housing. The ferrite cores (30A, 30B) include long sides LL and short sides SL. Clearances S are defined between side surfaces M located on the opposite short sides SL of the ferrite cores (30A, 30B) and facing surfaces of the connector housing (11), thereby separating the side surfaces M from the facing surfaces.Type: GrantFiled: May 21, 2014Date of Patent: June 28, 2016Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIESInventor: Takeshi Aizawa
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Patent number: 8968026Abstract: A network interface adapted for high speed networks. The interface includes isolation circuits with a transformer containing two primary coils and two secondary coils. A wire making up each primary coil may be twisted with a wire making up a secondary. These two coils may then be co-wound on a common core. The transformer may be connected to a common mode choke. The isolation circuit may be packaged such that the transformer and coil are in a line, with isolation circuits for a plurality of pairs arranged in parallel. The interface circuit may be packaged in a connector housing, which also may be adapted for high speed performance. The housing may receive multiple isolation circuits in parallel. The housing may also include a mating contact portion in which mating contacts for signal conductors of each pair are positioned along the same side of a cavity.Type: GrantFiled: January 3, 2012Date of Patent: March 3, 2015Assignee: Amphenol CorporationInventors: Mark W. Gailus, Stephen W. Ellsworth, Prescott B. Atkinson
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Patent number: 8770993Abstract: A connector assembly for installing a device to a ceiling grid, the ceiling grid having conductors provided therein. The connector assembly includes a housing with contact arms mounted in the housing. Contact portions of the contact arms extend from the housing and are placed in electrical engagement with the conductors when the connector assembly is mated with the ceiling grid. Mounting members extend from the housing. Mounting sections of the mounting members are placed in mechanical engagement with the ceiling grid to provide a mechanical connection between the ceiling grid and the connector assembly. A polarity protection/correction member is provided in the housing. The polarity protection/correction member protects the device from failure or damage when the polarity orientation of the device does not match the polarity orientation of the conductors of the grid.Type: GrantFiled: June 1, 2012Date of Patent: July 8, 2014Assignee: Tyco Electronics CorporationInventors: Charles R. Gingrich, III, Raymond Howard Kohler, Marek T. Luksic
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Patent number: 8529296Abstract: A connector is provided, including a housing, a base, a circuit board, a receptacle, a plurality of first terminals, and a filtering element. The base is disposed in the housing and forms a recess. The circuit board is disposed at a rear side of the base. The circuit board is coupled to the recess of the base to form an accommodating space. The receptacle is formed on the housing to receive an external plug. A plurality of first terminals are disposed on the base to electrically connect to the external plug. The filtering element is disposed in the accommodating space and is electrically connected to the circuit board.Type: GrantFiled: November 10, 2010Date of Patent: September 10, 2013Assignee: Delta Electronics, Inc.Inventors: Yi-Bin Lee, Yan-Jun Liu, Wang-Jun He
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Patent number: 8449332Abstract: A magnetic jack assembly includes a housing, circuit boards, shields and various filtering components. Multiple aspects of the assembly enhance manufacturability and facilitate automated manufacturing.Type: GrantFiled: December 1, 2011Date of Patent: May 28, 2013Assignee: Molex IncorporatedInventors: Timothy E. Purkis, Kirk B. Peloza, Johnny Chen, Eliza Conant
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Patent number: 8425254Abstract: A filtering ferrite block assembly for squib system electrical conductors including a first ferrite block including first conductor channels; and a second ferrite block including second conductor channels. The second ferrite block is adapted to be connected to the first ferrite block with portions of the electrical conductors therebetween. The electrical conductors extend through the first and second conductor channels between the two ferrite blocks.Type: GrantFiled: March 19, 2007Date of Patent: April 23, 2013Assignee: FCI Automotive HoldingInventor: Richard A. Johannes
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Publication number: 20120315794Abstract: A connector with a port is provided that includes a first and second terminal, the first and second terminal configured to function as a differential pair and receive a differential signal. The differential pair is coupled a conditioning module. The conditioning module can be configured to provide an improved transformer. A common-mode circuit can be used to determine a level of common mode energy on the differential pair so as to provide feedback to an associated ASIC.Type: ApplicationFiled: November 4, 2010Publication date: December 13, 2012Applicant: Molex IncorporatedInventors: Johnny Chen, Brian P. O'Malley, Eliza L. Conant
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Patent number: 8251721Abstract: An active connector is provided that allows for simple designing of devices for high-speed wideband pulse signal transmission without specialized technical know-how in the use of connectors. A connector base has a first connection terminal and a second connection terminal, and houses a first matching circuit, a second matching circuit, and a buffer circuit. The first connection terminal and the second connection terminal can be used as an internal port electrically coupled to a device circuit and an external port electrically coupled to a transmission line, respectively. An input signal inputted into the first connection terminal is supplied to the first matching circuit. The second matching circuit supplies an output signal to the second connection terminal. A buffer circuit between the first matching circuit and the second matching circuit inhibits mutual influences between the input signal and the output signal.Type: GrantFiled: August 23, 2010Date of Patent: August 28, 2012Assignee: Canare Electric Co., LtdInventors: Yasunari Ikeda, Kimio Kawamoto
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Publication number: 20120190239Abstract: An electrical connector comprising an insulative body, a plurality of pins carried by the body and a ferromagnetic element that rides on one of the plurality of the pins. The ferromagnetic element provides a low pass filter capability for signals transmitted over the one pin.Type: ApplicationFiled: March 29, 2012Publication date: July 26, 2012Applicant: Apple Inc.Inventor: Anna-Katrina Shedletsky
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Patent number: 8187037Abstract: An electronic signal connector includes an electrically insulative housing, metal abutting contacts and metal transmission contacts arranged in front and rear sides in the electrically insulative housing, and a filter module, which includes two symmetric flat substrates electrically connected between the metal abutting contacts and the metal transmission contacts and a metal core set between two electrically connected sets of radially arranged metal wire conductors in an induction zone at the flat substrates to provide a continuous winding type metal magnetic coil inductive effect.Type: GrantFiled: June 13, 2011Date of Patent: May 29, 2012Assignee: Ajoho Enterprise Co., Ltd.Inventor: Chia-Ping Mo
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Publication number: 20120077353Abstract: An electrical connector comprising an insulative body, a plurality of pins carried by the body and a ferromagnetic element that rides on one of the plurality of the pins. The ferromagnetic element provides a low pass filter capability for signals transmitted over the one pin.Type: ApplicationFiled: September 23, 2010Publication date: March 29, 2012Applicant: Apple Inc.Inventor: Anna-Katrina Shedletsky
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Patent number: 8033863Abstract: A modular connector plug for high speed applications includes a wire guide filter at least partially situated in the conductor-receiving cavity of the housing of the plug. The wire guide filter includes an impedance containing portion comprising a longitudinally extending body having a plurality of longitudinally extending passageways and an internal cable guide portion comprising a longitudinally extending body defining a plurality of longitudinally extending passageways.Type: GrantFiled: October 28, 2010Date of Patent: October 11, 2011Assignee: Bel Fuse (Macao Commercial Offshore) LimitedInventors: David Henry Gutter, Jennifer Allison, Yakov Belopolsky, Jason Cartwright, Richard D. Marowsky
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Publication number: 20110237130Abstract: An electronic signal connector includes an electrically insulative housing, metal abutting contacts and metal transmission contacts arranged in front and rear sides in the electrically insulative housing, and a filter module, which includes two symmetric flat substrates electrically connected between the metal abutting contacts and the metal transmission contacts and a metal core set between two electrically connected sets of radially arranged metal wire conductors in an induction zone at the flat substrates to provide a continuous winding type metal magnetic coil inductive effect.Type: ApplicationFiled: June 13, 2011Publication date: September 29, 2011Applicant: AJOHO ENTERPRISE CO., LTD.Inventor: Chia-Ping MO
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Publication number: 20110151717Abstract: An electrical connector (100) to be mounted on an exterior PCB (126) is disclosed. The electrical connector includes an insulating housing (120) having a front face defining a mating port (122) to receive a plug therein; a number of mating contacts (142) received in said insulating housing and extending into said mating port for mating with a plug inserted therein; a first internal PCB (144) having a front face on which said mating contacts are mounted; a second internal PCB (145) with a ferromagnetic core embedded therein and forming an inductance; a number of terminals (149) extending out to be mounted to said exterior PCB. A number of signal channels are formed between the mating contacts (142) and the terminals (149) with the inductance electrically connected therein.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LIN-ZHONG GE, YUEH-SHAN SHIH
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Publication number: 20110111620Abstract: A connector is provided, including a housing, a base, a circuit board, a receptacle, a plurality of first terminals, and a filtering element. The base is disposed in the housing and forms a recess. The circuit board is disposed at a rear side of the base. The circuit board is coupled to the recess of the base to form an accommodating space. The receptacle is formed on the housing to receive an external plug. A plurality of first terminals are disposed on the base to electrically connect to the external plug. The filtering element is disposed in the accommodating space and is electrically connected to the circuit board.Type: ApplicationFiled: November 10, 2010Publication date: May 12, 2011Inventors: Yi-Bin LEE, Yan-Jun Liu, Wang-Jun He
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Publication number: 20110104934Abstract: A modular connector plug for high speed applications includes a wire guide filter at least partially situated in the conductor-receiving cavity of the housing of the plug. The wire guide filter includes an impedance containing portion comprising a longitudinally extending body having a plurality of longitudinally extending passageways and an internal cable guide portion comprising a longitudinally extending body defining a plurality of longitudinally extending passageways.Type: ApplicationFiled: October 28, 2010Publication date: May 5, 2011Applicant: BEL FUSE (MACAO COMMERCIAL OFFSHORE) LIMITEDInventors: David Henry Gutter, Jennifer Allison, Yakov Belopolsky, Jason Cartwright, Richard D. Marowsky
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Publication number: 20110053418Abstract: A modular jack system where the jack includes two halves having cavities that are configured to mate with one another other. The filtering components are placed inside the cavities of either one or both halves of the housing and potted prior to assembly. A shock absorbing insert is then placed between the two halves to protect any filtering components or assemblies located within the magjack housing. The halves of the housing are then brought together to form the enclosure or housing.Type: ApplicationFiled: November 13, 2006Publication date: March 3, 2011Applicant: MOLEX INCORPORATEDInventors: Yan Margulis, Johnny Chen, Peter Lassen
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Publication number: 20100297882Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (22) formed with two conductive sections (28b). The contact module includes two transformers (24) each including a magnetic core (271) embedded in the paddle board, and a number of PCB layout traces distributed in the paddle board and including a first group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the conductive section, and a second group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the vias. The common mode chokes are surface mounted on the conductive section.Type: ApplicationFiled: May 25, 2010Publication date: November 25, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LI-CHUN WU, CHAO-TUNG HUANG, YONG-CHUN XU, JIAN-SHE HU
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Patent number: 7749027Abstract: An electrical connector system includes a substrate (1) connected to PHY side and an electrical connector (3) mounted on the substrate (1), a transformer (5) and a common mode filter (7). The electrical connector (3) is used to mate with a cable assembly and so forms a Cable side. The transformer (5) further includes a first wire (51) having two opposite ends electrically connected to the PHY side and a second wire (53) having two opposite ends. The common mode filter (7) has a third wire (73) and a fourth wire (75) physically separated from the second wire (53). The third wire (73) has an end electrically connected to one end of the second wire (53) and an opposite end electrically connected to the Cable side. The fourth wire (75) has an end electrically connected to the opposite end of the second wire (53) and an opposite end electrically connected to the Cable side.Type: GrantFiled: September 10, 2009Date of Patent: July 6, 2010Assignee: Hon Hai Precision Ind. Co., LtdInventors: John Chow, Li-Chun Wu, Chao-Tung Huang, Yong-Chun Xu, Chih-Min Lin, Jie Zhang
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Patent number: 7708595Abstract: An electrical connector system includes a substrate (1) connected to PHY side and an electrical connector (3) mounted on the substrate (1), a transformer (5) and a common mode filter (7). The electrical connector (3) is used to mate with a cable assembly and so forms a Cable side. The transformer (5) further includes a first wire (51) having two opposite ends electrically connected to the PHY side and a second wire (53) having two opposite ends. The common mode filter (7) has a third wire (73) and a fourth wire (75) that are physically separated from the second wire (53). The third wire (73) has an end electrically connected to one end of the second wire (53) and an opposite end electrically connected to the Cable side. The fourth wire (75) has an end electrically connected to the opposite end of the second wire (53) and an opposite end electrically connected to the Cable side.Type: GrantFiled: September 10, 2009Date of Patent: May 4, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: John Chow, Li-Chun Wu, Chao-Tung Huang, Chih-Min Lin, Jie Zhang, Yong-Chun Xu
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Patent number: 7547232Abstract: An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a wire connection section and a female connection section. The hood surrounds the female connection section of the first terminal. The hood is a stamped and rolled sheet metal member which has a general tube shape. The filter member is connected to the first terminal for providing electromagnetic induction suppression. The filter member can be on a filter assembly having a multi-capacitor chip attached to a spring lead frame.Type: GrantFiled: October 23, 2007Date of Patent: June 16, 2009Assignee: FCI Americas Technology, Inc.Inventors: Richard A. Johannes, William R. Lyons, Michael S. Glick, Franklin A. Holub, Raymond Bruce McLauchlan
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Patent number: 7510440Abstract: A connector with filter function is provided. The connector has a plurality of terminal lines and plastic packages for enclosing the terminal lines. Each of the terminal lines and plastic packages/dielectric material are formed with periodically repeated pattern, so that equivalent capacitors and inductors are formed in the connector. Therefore, the connector also functions as a filter.Type: GrantFiled: July 10, 2007Date of Patent: March 31, 2009Assignee: Industrial Technology Research InstituteInventors: Shin-Way Lin, Hsin-Hsien Li, Ben-Hwa Jang
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Patent number: 7491100Abstract: An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a wire connection section and a female connection section. The hood surrounds the female connection section of the first terminal. The hood is a stamped and rolled sheet metal member which has a general tube shape. The filter member is connected to the first terminal for providing electromagnetic induction suppression. The filter member can be on a filter assembly having a multi-capacitor chip attached to a spring lead frame.Type: GrantFiled: February 7, 2008Date of Patent: February 17, 2009Assignee: FCI Americas Technology, Inc.Inventors: Richard A. Johannes, William R. Lyons, Michael S. Glick, Franklin A. Holub, Raymond Bruce McLauchlan
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Publication number: 20080233801Abstract: A filtering ferrite block assembly for squib system electrical conductors including a first ferrite block including first conductor channels; and a second ferrite block including second conductor channels. The second ferrite block is adapted to be connected to the first ferrite block with portions of the electrical conductors therebetween. The electrical conductors extend through the first and second conductor channels between the two ferrite blocks.Type: ApplicationFiled: March 19, 2007Publication date: September 25, 2008Inventor: Richard A. Johannes
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Patent number: 7384313Abstract: A cable connector (100) in accordance with the present invention includes an insulative housing (1) defining a number of channels (13) therethrough, a number of contacts (2) assembled to the insulative housing and respectively received in the channels, a cable (5) including a number of conductors (50) respectively electrically connecting with connecting portions of the contacts to form a number of junctions, an inner mold (6) enclosing the junctions of the cable and the contacts, a magnetic ring (7) assembled to the cable, and an outer cover (8). The magnetic ring is located adjacent to the inner mold and is enclosed by the outer cover together with the inner mold.Type: GrantFiled: November 14, 2006Date of Patent: June 10, 2008Assignee: Hon Hai Precision Ind. Co., Ltd.Inventor: Peter Kuo
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Patent number: 7303441Abstract: An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a wire connection section and a female connection section. The hood surrounds the female connection section of the first terminal. The hood is a stamped and rolled sheet metal member which has a general tube shape. The filter member is connected to the first terminal for providing electromagnetic induction suppression. The filter member can be on a filter assembly having a multi-capacitor chip attached to a spring lead frame.Type: GrantFiled: September 18, 2006Date of Patent: December 4, 2007Assignee: FCI Americas Technology, Inc.Inventors: Richard A. Johannes, William R. Lyons, Michael S. Glick, Franklin A. Holub, Raymond Bruce McLauchlan
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Patent number: 7241175Abstract: An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a wire connection section and a female connection section. The hood surrounds the female connection section of the first terminal. The hood is a stamped and rolled sheet metal member which has a general tube shape. The filter member is connected to the first terminal for providing electromagnetic induction suppression. The filter member can be on a filter assembly having a multi-capacitor chip attached to a spring lead frame.Type: GrantFiled: September 18, 2006Date of Patent: July 10, 2007Assignee: FCI Americas Technology, Inc.Inventors: Richard A. Johannes, William R. Lyons, Michael S. Glick, Franklin A. Holub, Raymond Bruce McLauchlan
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Patent number: 7121892Abstract: An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a wire connection section and a female connection section. The hood surrounds the female connection section of the first terminal. The hood is a stamped and rolled sheet metal member which has a general tube shape. The filter member is connected to the first terminal for providing electromagnetic induction suppression. The filter member can be on a filter assembly having a multi-capacitor chip attached to a spring lead frame.Type: GrantFiled: October 25, 2005Date of Patent: October 17, 2006Assignee: FCI Americas Technology, Inc.Inventors: Richard A. Johannes, William R. Lyons, Michael S. Glick, Franklin A. Holub, Raymond Bruce McLauchlan